PT Journal AU Frisch, H Mundsinger, K Poad, BLJ Blanksby, SJ Barner-Kowollik, C TI Wavelength-gated photoreversible polymerization and topology control SO Chemical science PY 2020 BP 2834 EP 2842 VL 11 IS 10 DI 10.1039/c9sc05381f LA english ER